Question

Some intermediates of the Krebs cycle are precursors of various compounds. Select incorrect match in this reference.
a- Ketoglutaric acid - Raw material for amino acid synthesis

Succinyl CoA - Raw material for pyrimidines

Acetyl CoA Raw material for carotenoids

Oxaloacetic acid - Raw material for alkaloids​

Answer 1

Explanation:

Krebs cycle is also known as Citric Acid Cycle or Tricarboxylic Acid Cycle. It is used to oxidize the pyruvate formed during the glycolysis into carbon dioxide and water. It also oxidizes acetyl CoA which arises from breakdown of carbohydrate, lipid, and protein. Intermediate compounds formed during Krebs cycle are used for the synthesis of amino acids, nucleotides, chlorophyll, cytochromes and fats. Oxaloacetate forms aspartate and asparagine amino acids. Alpha-ketoglutarate forms glutamine, proline and arginine amino acids. Amino acids aspartate and glutamine are used to form the purines. Amino acid aspartate is used to form the pyrimidiens. Intermediate succinyl CoA forms chlorophyll and cytochromes.

Thus, the correct answer is 'All of the above.'

Answer 2

Answer:

option b

Explanation:

raw material for pyrimidines is Oxalo acetic acid